|
|
| import uvicorn |
|
|
| from fastapi import FastAPI, HTTPException |
| from pydantic import BaseModel |
| from typing import List |
|
|
| app = FastAPI() |
|
|
| class Item(BaseModel): |
| id: int |
| name: str |
| description: str |
| price: float |
| quantity: int |
|
|
| items_db: List[Item] = [ |
| Item(id=1, name="Laptop", description="A powerful laptop", price=1200.50, quantity=10), |
| Item(id=2, name="Smartphone", description="A high-end smartphone", price=800.00, quantity=20), |
| Item(id=3, name="Headphones", description="Noise-canceling headphones", price=150.00, quantity=50), |
| ] |
|
|
| @app.get("/") |
| def read_root(): |
| return {"message": "Welcome to the FastAPI application!"} |
|
|
| @app.get("/items/", response_model=List[Item]) |
| def get_items(): |
| """ |
| Get all items. |
| """ |
| return items_db |
|
|
| @app.get("/items/{item_id}", response_model=Item) |
| def get_item(item_id: int): |
| """ |
| Get an item by its ID. |
| """ |
| item = next((item for item in items_db if item.id == item_id), None) |
| if not item: |
| raise HTTPException(status_code=404, detail="Item not found") |
| return item |
|
|
| @app.post("/items/", response_model=Item) |
| def create_item(item: Item): |
| """ |
| Add a new item. |
| """ |
| if any(existing_item.id == item.id for existing_item in items_db): |
| raise HTTPException(status_code=400, detail="Item with this ID already exists") |
| items_db.append(item) |
| return item |
|
|
| @app.get("/health") |
| def health_check(): |
| return {"status": "OK"} |
|
|
|
|
| if __name__ == "__main__": |
| uvicorn.run(app, host="0.0.0.0", port=1200) |
|
|
